Wolff Reduced Power Variable Recoil Spring for S&W 645/745/4506/4526/4546 .45 ACP 8LB - 47308 Side Plate Screw Set (3) this drop-in replacement restores proper

this drop-in replacement restores proper timing and function to new-style K Frame and L Frame revolvers

Drop-in replacement for worn or damaged hammers — no fitting required on most K Frame models

Genuine factory new Smith & Wesson rebound slide stop designed for J Frame revolvers

Compatible with larger caliber pistols and revolvers

Wolff Reduced Power Variable Recoil Spring for S&W 645/745/4506/4526/4546 .45 ACP 8LB - 47308 Side Plate Screw Set (3) this drop-in replacement restores properWolff Reduced Power Variable Recoil Spring for Smith & Wesson . 45 ACP Pistols Premium 8 pound reduced power variable recoil spring engineered for Smith & Wesson 3rd generation . 45 ACP pistols. This complete kit includes both the recoil spring and firing pin spring for optimal performance and reliability. Key Features: 8 LB reduced power design for smoother cycling and reduced felt recoil Variable pitch spring construction for consistent performance